RT5035A/B
Protection
Type
Threshold
(Typical Value)
Delay
Time
Protection Method
Reset Method
Turn off whole IC,
Inductor current > 3A No delay except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
OCP
Turn off whole IC,
No delay except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
VOUT2 OVP
CH2
VOUT2 > 6V
Turn off whole IC,
No delay except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
VOUT2 UVP
VOUT2 < 1.6V
Turn off whole IC,
VOUT2 < target 0.4V 100ms except CH9 and CH1
Over-Load
Protection
VDDM power reset or
EN = low
in PFM (only for 2AA)
Turn off whole IC,
100ms except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
OCP
PMOS current > 3A
VOUT3 < 0.6V
Turn off whole IC,
No delay except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
CH3
VOUT3 UVP
Turn off whole IC,
VOUT3 < target – 0.15V 100ms except CH9 and CH1
Over-Load
Protection
VDDM power reset or
EN = low
in PFM (only for 2AA)
Turn off whole IC,
100ms except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
OCP
PMOS current > 1.5A
VOUT4 < 0.8V
Turn off whole IC,
No delay except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
CH4
VOUT4 UVP
Turn off whole IC,
VOUT4 < target 0.2V 100ms except CH9 and CH1
Over-Load
Protection
VDDM power reset or
EN = low
in PFM (only for 2AA)
Turn off whole IC,
100ms except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
OCP
PMOS current > 1.5A
VOUT5 < 0.8V
Turn off whole IC,
No delay except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
CH5
CH6
VOUT5 UVP
Turn off whole IC,
VOUT5 < target 0.2V 100ms except CH9 and CH1
Over-Load
Protection
VDDM power reset or
EN = low
in PFM (only for 2AA)
A2.VOUT6 = 0 to 9,
Turn off whole IC,
No delay except CH9 and CH1
A2.VOUT6 = 10 to 15,
in PFM (only for 2AA)
VOUT6 < 0.8V
VOUT6<1.6V
VDDM power reset or
EN = low
UVP
Current Limit PMOS current > 450mA No delay Limit PMOS current
Reset by load
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
42
DS5035A/B-03 February 2020
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
